Very easy to install and fairly well built. For the installation I had to buy a drill with a diameter of 22 mm. As for accuracy, it seems to be within a few percent. I will now go back and measure all mine and may update this post with more data. One of them reads 199-120 when my DMM reads 122.5. I think I trust the multimeter more because it pretty much matches the other multimeter I have. So the number could be about ±2%.
📏 Johnson Level and Tool 400EM-S 12-Inch Heavy Duty Metal Combination Square for Professionals, with Inch/Metric Measurements, Silver - 1 Square
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Kapro 307-08-TMS Try And Mitre Layout And Marking Square With Stainless Steel Blade, 8-Inch Length
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TV bracket Kromax DIX-18 black
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📏 CAMWAY 6 Inch Digital Caliper with LCD Display, Electronic Vernier Caliper, 150mm Stainless Steel Feeler Gauge, Plastic Digital Caliper Set for Zero Setting Inside/Outside Diameter, Depth, and Step Measurement Tool
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